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The present major concern on sustainable development is at the beginning of a growing interest on product recyclability. More and more strict norms and regulations will be prescribed to companies in order to increase the level of recyclability of industrial products. Usually described in natural language, these norms can be difficult to interpret for the product designer. There will also be an increasing need in tools to verify the compliance of a product with given norms and standards. A prototype of such a system is described in this article: the information to be added to the product model is first specified, It is then shown how the knowledge contained in standards and norms in textual form can be translated into constraints which can be propagated through the product structure in order to identify the inconsistencies between the present design and a given norm. An example of the literature is used to illustrate the suggested methodology and the results of its application through a software prototype. [ABSTRACT FROM AUTHOR]